Sirius SCH2P SiriusConnect Home Pro 3 Control Optionsrs-232, Sirius(r)-ready 8-pin Din & Wired Or Wireless Ir Input Front-panel Channel Indicator & Up/down Adjustment Analog Audio & Optical Digital Outputs Bar Graph Led Signal Indicators Integrated Power Supply The first SiriusConnect tuner designed for the custom installer market. Highlights Three control options: RS232, Sirius-Ready 8-pin DIN, IR input (wired or wireless)